Common Bottlenose Dolphin

Tursiops Truncatus

< 400 cm
Max size
0–300 m
Depth
Common
Rarity
Habitats

Coastal shallow waters

Regions

Indian Ocean, Mediterranean Sea, Temperate Atlantic, Tropical Atlantic, Tropical Pacific

About

Overview

The Common Bottlenose Dolphin (Tursiops truncatus) is a highly adaptable and widely distributed cetacean found throughout the world's temperate and tropical oceans. Known for their intelligence and complex social structures, these dolphins are often observed in coastal and offshore waters, frequently interacting with their environment through aerial displays and sophisticated foraging techniques.

Distribution & Habitat

This species is cosmopolitan, inhabiting a vast range of marine environments from nearshore coastal zones to deep offshore waters. While many populations exhibit strong site fidelity and residency, others may undertake seasonal migrations influenced by fluctuations in water temperature and prey availability.

Appearance

Bottlenose dolphins possess a robust, streamlined body typically colored in shades of slate grey or charcoal, fading to a lighter, paler hue on the underbelly. Their most distinctive feature is a short, stocky snout that is clearly demarcated from the forehead by a visible crease. They feature a tall, curved dorsal fin and are capable of reaching significant sizes, with some individuals growing nearly four meters in length.

Biology & Behavior

These dolphins are active swimmers known for behaviors such as breaching, surfing boat wakes, and tail slapping. They are highly social animals that live in groups of varying sizes, though solitary individuals are occasionally encountered. They rely on echolocation to navigate and hunt, and they are known to exhibit diverse, innovative foraging strategies—such as marsh bank feeding or strand feeding—that highlight their adaptive nature. Their presence is often considered an indicator of a healthy marine ecosystem.

Distribution

Based on iNaturalist community observations

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